dncurrency/nano/secure/common.cpp
clemahieu fef5fe8555
Add typedefs for timer units. (#4162)
Updating variable types in usages to use new typesdefs.
2023-02-28 16:12:04 +00:00

790 lines
28 KiB
C++

#include <nano/crypto_lib/random_pool.hpp>
#include <nano/lib/config.hpp>
#include <nano/lib/numbers.hpp>
#include <nano/lib/timer.hpp>
#include <nano/secure/common.hpp>
#include <nano/secure/store.hpp>
#include <boost/endian/conversion.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/variant/get.hpp>
#include <limits>
#include <queue>
#include <crypto/ed25519-donna/ed25519.h>
#include <cryptopp/words.h>
size_t constexpr nano::send_block::size;
size_t constexpr nano::receive_block::size;
size_t constexpr nano::open_block::size;
size_t constexpr nano::change_block::size;
size_t constexpr nano::state_block::size;
nano::networks nano::network_constants::active_network = nano::networks::ACTIVE_NETWORK;
namespace
{
char const * dev_private_key_data = "34F0A37AAD20F4A260F0A5B3CB3D7FB50673212263E58A380BC10474BB039CE4";
char const * dev_public_key_data = "B0311EA55708D6A53C75CDBF88300259C6D018522FE3D4D0A242E431F9E8B6D0"; // xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpiij4txtdo
char const * beta_public_key_data = "259A43ABDB779E97452E188BA3EB951B41C961D3318CA6B925380F4D99F0577A"; // nano_1betagoxpxwykx4kw86dnhosc8t3s7ix8eeentwkcg1hbpez1outjrcyg4n1
char const * live_public_key_data = "E89208DD038FBB269987689621D52292AE9C35941A7484756ECCED92A65093BA"; // xrb_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3
std::string const test_public_key_data = nano::get_env_or_default ("NANO_TEST_GENESIS_PUB", "45C6FF9D1706D61F0821327752671BDA9F9ED2DA40326B01935AB566FB9E08ED"); // nano_1jg8zygjg3pp5w644emqcbmjqpnzmubfni3kfe1s8pooeuxsw49fdq1mco9j
char const * dev_genesis_data = R"%%%({
"type": "open",
"source": "B0311EA55708D6A53C75CDBF88300259C6D018522FE3D4D0A242E431F9E8B6D0",
"representative": "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpiij4txtdo",
"account": "xrb_3e3j5tkog48pnny9dmfzj1r16pg8t1e76dz5tmac6iq689wyjfpiij4txtdo",
"work": "7b42a00ee91d5810",
"signature": "ECDA914373A2F0CA1296475BAEE40500A7F0A7AD72A5A80C81D7FAB7F6C802B2CC7DB50F5DD0FB25B2EF11761FA7344A158DD5A700B21BD47DE5BD0F63153A02"
})%%%";
char const * beta_genesis_data = R"%%%({
"type": "open",
"source": "259A43ABDB779E97452E188BA3EB951B41C961D3318CA6B925380F4D99F0577A",
"representative": "nano_1betagoxpxwykx4kw86dnhosc8t3s7ix8eeentwkcg1hbpez1outjrcyg4n1",
"account": "nano_1betagoxpxwykx4kw86dnhosc8t3s7ix8eeentwkcg1hbpez1outjrcyg4n1",
"work": "79d4e27dc873c6f2",
"signature": "4BD7F96F9ED2721BCEE5EAED400EA50AD00524C629AE55E9AFF11220D2C1B00C3D4B3BB770BF67D4F8658023B677F91110193B6C101C2666931F57046A6DB806"
})%%%";
char const * live_genesis_data = R"%%%({
"type": "open",
"source": "E89208DD038FBB269987689621D52292AE9C35941A7484756ECCED92A65093BA",
"representative": "xrb_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3",
"account": "xrb_3t6k35gi95xu6tergt6p69ck76ogmitsa8mnijtpxm9fkcm736xtoncuohr3",
"work": "62f05417dd3fb691",
"signature": "9F0C933C8ADE004D808EA1985FA746A7E95BA2A38F867640F53EC8F180BDFE9E2C1268DEAD7C2664F356E37ABA362BC58E46DBA03E523A7B5A19E4B6EB12BB02"
})%%%";
std::string const test_genesis_data = nano::get_env_or_default ("NANO_TEST_GENESIS_BLOCK", R"%%%({
"type": "open",
"source": "45C6FF9D1706D61F0821327752671BDA9F9ED2DA40326B01935AB566FB9E08ED",
"representative": "nano_1jg8zygjg3pp5w644emqcbmjqpnzmubfni3kfe1s8pooeuxsw49fdq1mco9j",
"account": "nano_1jg8zygjg3pp5w644emqcbmjqpnzmubfni3kfe1s8pooeuxsw49fdq1mco9j",
"work": "bc1ef279c1a34eb1",
"signature": "15049467CAEE3EC768639E8E35792399B6078DA763DA4EBA8ECAD33B0EDC4AF2E7403893A5A602EB89B978DABEF1D6606BB00F3C0EE11449232B143B6E07170E"
})%%%");
std::shared_ptr<nano::block> parse_block_from_genesis_data (std::string const & genesis_data_a)
{
boost::property_tree::ptree tree;
std::stringstream istream (genesis_data_a);
boost::property_tree::read_json (istream, tree);
return nano::deserialize_block_json (tree);
}
char const * beta_canary_public_key_data = "868C6A9F79D4506E029B378262B91538C5CB26D7C346B63902FFEB365F1C1947"; // nano_33nefchqmo4ifr3bpfw4ecwjcg87semfhit8prwi7zzd8shjr8c9qdxeqmnx
char const * live_canary_public_key_data = "7CBAF192A3763DAEC9F9BAC1B2CDF665D8369F8400B4BC5AB4BA31C00BAA4404"; // nano_1z7ty8bc8xjxou6zmgp3pd8zesgr8thra17nqjfdbgjjr17tnj16fjntfqfn
std::string const test_canary_public_key_data = nano::get_env_or_default ("NANO_TEST_CANARY_PUB", "3BAD2C554ACE05F5E528FBBCE79D51E552C55FA765CCFD89B289C4835DE5F04A"); // nano_1gxf7jcnomi7yqkkjyxwwygo5sckrohtgsgezp6u74g6ifgydw4cajwbk8bf
}
nano::keypair nano::dev::genesis_key{ dev_private_key_data };
nano::network_params nano::dev::network_params{ nano::networks::nano_dev_network };
nano::ledger_constants & nano::dev::constants{ nano::dev::network_params.ledger };
std::shared_ptr<nano::block> & nano::dev::genesis = nano::dev::constants.genesis;
nano::network_params::network_params (nano::networks network_a) :
work{ network_a == nano::networks::nano_live_network ? nano::work_thresholds::publish_full : network_a == nano::networks::nano_beta_network ? nano::work_thresholds::publish_beta
: network_a == nano::networks::nano_test_network ? nano::work_thresholds::publish_test
: nano::work_thresholds::publish_dev },
network{ work, network_a },
ledger{ work, network_a },
voting{ network },
node{ network },
portmapping{ network },
bootstrap{ network }
{
unsigned constexpr kdf_full_work = 64 * 1024;
unsigned constexpr kdf_dev_work = 8;
kdf_work = network.is_dev_network () ? kdf_dev_work : kdf_full_work;
}
nano::ledger_constants::ledger_constants (nano::work_thresholds & work, nano::networks network_a) :
work{ work },
zero_key ("0"),
nano_beta_account (beta_public_key_data),
nano_live_account (live_public_key_data),
nano_test_account (test_public_key_data),
nano_dev_genesis (parse_block_from_genesis_data (dev_genesis_data)),
nano_beta_genesis (parse_block_from_genesis_data (beta_genesis_data)),
nano_live_genesis (parse_block_from_genesis_data (live_genesis_data)),
nano_test_genesis (parse_block_from_genesis_data (test_genesis_data)),
genesis (network_a == nano::networks::nano_dev_network ? nano_dev_genesis : network_a == nano::networks::nano_beta_network ? nano_beta_genesis
: network_a == nano::networks::nano_test_network ? nano_test_genesis
: nano_live_genesis),
genesis_amount{ std::numeric_limits<nano::uint128_t>::max () },
burn_account{},
nano_dev_final_votes_canary_account (dev_public_key_data),
nano_beta_final_votes_canary_account (beta_canary_public_key_data),
nano_live_final_votes_canary_account (live_canary_public_key_data),
nano_test_final_votes_canary_account (test_canary_public_key_data),
final_votes_canary_account (network_a == nano::networks::nano_dev_network ? nano_dev_final_votes_canary_account : network_a == nano::networks::nano_beta_network ? nano_beta_final_votes_canary_account
: network_a == nano::networks::nano_test_network ? nano_test_final_votes_canary_account
: nano_live_final_votes_canary_account),
nano_dev_final_votes_canary_height (1),
nano_beta_final_votes_canary_height (1),
nano_live_final_votes_canary_height (1),
nano_test_final_votes_canary_height (1),
final_votes_canary_height (network_a == nano::networks::nano_dev_network ? nano_dev_final_votes_canary_height : network_a == nano::networks::nano_beta_network ? nano_beta_final_votes_canary_height
: network_a == nano::networks::nano_test_network ? nano_test_final_votes_canary_height
: nano_live_final_votes_canary_height)
{
nano_beta_genesis->sideband_set (nano::block_sideband (nano_beta_genesis->account (), 0, std::numeric_limits<nano::uint128_t>::max (), 1, nano::seconds_since_epoch (), nano::epoch::epoch_0, false, false, false, nano::epoch::epoch_0));
nano_dev_genesis->sideband_set (nano::block_sideband (nano_dev_genesis->account (), 0, std::numeric_limits<nano::uint128_t>::max (), 1, nano::seconds_since_epoch (), nano::epoch::epoch_0, false, false, false, nano::epoch::epoch_0));
nano_live_genesis->sideband_set (nano::block_sideband (nano_live_genesis->account (), 0, std::numeric_limits<nano::uint128_t>::max (), 1, nano::seconds_since_epoch (), nano::epoch::epoch_0, false, false, false, nano::epoch::epoch_0));
nano_test_genesis->sideband_set (nano::block_sideband (nano_test_genesis->account (), 0, std::numeric_limits<nano::uint128_t>::max (), 1, nano::seconds_since_epoch (), nano::epoch::epoch_0, false, false, false, nano::epoch::epoch_0));
nano::link epoch_link_v1;
char const * epoch_message_v1 ("epoch v1 block");
strncpy ((char *)epoch_link_v1.bytes.data (), epoch_message_v1, epoch_link_v1.bytes.size ());
epochs.add (nano::epoch::epoch_1, genesis->account (), epoch_link_v1);
nano::link epoch_link_v2;
nano::account nano_live_epoch_v2_signer;
auto error (nano_live_epoch_v2_signer.decode_account ("nano_3qb6o6i1tkzr6jwr5s7eehfxwg9x6eemitdinbpi7u8bjjwsgqfj4wzser3x"));
debug_assert (!error);
auto epoch_v2_signer (network_a == nano::networks::nano_dev_network ? nano::dev::genesis_key.pub : network_a == nano::networks::nano_beta_network ? nano_beta_account
: network_a == nano::networks::nano_test_network ? nano_test_account
: nano_live_epoch_v2_signer);
char const * epoch_message_v2 ("epoch v2 block");
strncpy ((char *)epoch_link_v2.bytes.data (), epoch_message_v2, epoch_link_v2.bytes.size ());
epochs.add (nano::epoch::epoch_2, epoch_v2_signer, epoch_link_v2);
}
nano::hardened_constants & nano::hardened_constants::get ()
{
static hardened_constants instance{};
return instance;
}
nano::hardened_constants::hardened_constants () :
not_an_account{},
random_128{}
{
nano::random_pool::generate_block (not_an_account.bytes.data (), not_an_account.bytes.size ());
nano::random_pool::generate_block (random_128.bytes.data (), random_128.bytes.size ());
}
nano::node_constants::node_constants (nano::network_constants & network_constants)
{
backup_interval = std::chrono::minutes (5);
search_pending_interval = network_constants.is_dev_network () ? std::chrono::seconds (1) : std::chrono::seconds (5 * 60);
unchecked_cleaning_interval = std::chrono::minutes (30);
process_confirmed_interval = network_constants.is_dev_network () ? std::chrono::milliseconds (50) : std::chrono::milliseconds (500);
max_weight_samples = (network_constants.is_live_network () || network_constants.is_test_network ()) ? 4032 : 288;
weight_period = 5 * 60; // 5 minutes
}
nano::voting_constants::voting_constants (nano::network_constants & network_constants) :
max_cache{ network_constants.is_dev_network () ? 256U : 128U * 1024 },
delay{ network_constants.is_dev_network () ? 1 : 15 }
{
}
nano::portmapping_constants::portmapping_constants (nano::network_constants & network_constants)
{
lease_duration = std::chrono::seconds (1787); // ~30 minutes
health_check_period = std::chrono::seconds (53);
}
nano::bootstrap_constants::bootstrap_constants (nano::network_constants & network_constants)
{
lazy_max_pull_blocks = network_constants.is_dev_network () ? 2 : 512;
lazy_min_pull_blocks = network_constants.is_dev_network () ? 1 : 32;
frontier_retry_limit = network_constants.is_dev_network () ? 2 : 16;
lazy_retry_limit = network_constants.is_dev_network () ? 2 : frontier_retry_limit * 4;
lazy_destinations_retry_limit = network_constants.is_dev_network () ? 1 : frontier_retry_limit / 4;
gap_cache_bootstrap_start_interval = network_constants.is_dev_network () ? std::chrono::milliseconds (5) : std::chrono::milliseconds (30 * 1000);
default_frontiers_age_seconds = network_constants.is_dev_network () ? 1 : 24 * 60 * 60; // 1 second for dev network, 24 hours for live/beta
}
// Create a new random keypair
nano::keypair::keypair ()
{
random_pool::generate_block (prv.bytes.data (), prv.bytes.size ());
ed25519_publickey (prv.bytes.data (), pub.bytes.data ());
}
// Create a keypair given a private key
nano::keypair::keypair (nano::raw_key && prv_a) :
prv (std::move (prv_a))
{
ed25519_publickey (prv.bytes.data (), pub.bytes.data ());
}
// Create a keypair given a hex string of the private key
nano::keypair::keypair (std::string const & prv_a)
{
[[maybe_unused]] auto error (prv.decode_hex (prv_a));
debug_assert (!error);
ed25519_publickey (prv.bytes.data (), pub.bytes.data ());
}
nano::account_info::account_info (nano::block_hash const & head_a, nano::account const & representative_a, nano::block_hash const & open_block_a, nano::amount const & balance_a, nano::seconds_t modified_a, uint64_t block_count_a, nano::epoch epoch_a) :
head (head_a),
representative (representative_a),
open_block (open_block_a),
balance (balance_a),
modified (modified_a),
block_count (block_count_a),
epoch_m (epoch_a)
{
}
bool nano::account_info::deserialize (nano::stream & stream_a)
{
auto error (false);
try
{
nano::read (stream_a, head.bytes);
nano::read (stream_a, representative.bytes);
nano::read (stream_a, open_block.bytes);
nano::read (stream_a, balance.bytes);
nano::read (stream_a, modified);
nano::read (stream_a, block_count);
nano::read (stream_a, epoch_m);
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
bool nano::account_info::operator== (nano::account_info const & other_a) const
{
return head == other_a.head && representative == other_a.representative && open_block == other_a.open_block && balance == other_a.balance && modified == other_a.modified && block_count == other_a.block_count && epoch () == other_a.epoch ();
}
bool nano::account_info::operator!= (nano::account_info const & other_a) const
{
return !(*this == other_a);
}
size_t nano::account_info::db_size () const
{
debug_assert (reinterpret_cast<uint8_t const *> (this) == reinterpret_cast<uint8_t const *> (&head));
debug_assert (reinterpret_cast<uint8_t const *> (&head) + sizeof (head) == reinterpret_cast<uint8_t const *> (&representative));
debug_assert (reinterpret_cast<uint8_t const *> (&representative) + sizeof (representative) == reinterpret_cast<uint8_t const *> (&open_block));
debug_assert (reinterpret_cast<uint8_t const *> (&open_block) + sizeof (open_block) == reinterpret_cast<uint8_t const *> (&balance));
debug_assert (reinterpret_cast<uint8_t const *> (&balance) + sizeof (balance) == reinterpret_cast<uint8_t const *> (&modified));
debug_assert (reinterpret_cast<uint8_t const *> (&modified) + sizeof (modified) == reinterpret_cast<uint8_t const *> (&block_count));
debug_assert (reinterpret_cast<uint8_t const *> (&block_count) + sizeof (block_count) == reinterpret_cast<uint8_t const *> (&epoch_m));
return sizeof (head) + sizeof (representative) + sizeof (open_block) + sizeof (balance) + sizeof (modified) + sizeof (block_count) + sizeof (epoch_m);
}
nano::epoch nano::account_info::epoch () const
{
return epoch_m;
}
nano::pending_info::pending_info (nano::account const & source_a, nano::amount const & amount_a, nano::epoch epoch_a) :
source (source_a),
amount (amount_a),
epoch (epoch_a)
{
}
bool nano::pending_info::deserialize (nano::stream & stream_a)
{
auto error (false);
try
{
nano::read (stream_a, source.bytes);
nano::read (stream_a, amount.bytes);
nano::read (stream_a, epoch);
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
size_t nano::pending_info::db_size () const
{
return sizeof (source) + sizeof (amount) + sizeof (epoch);
}
bool nano::pending_info::operator== (nano::pending_info const & other_a) const
{
return source == other_a.source && amount == other_a.amount && epoch == other_a.epoch;
}
nano::pending_key::pending_key (nano::account const & account_a, nano::block_hash const & hash_a) :
account (account_a),
hash (hash_a)
{
}
bool nano::pending_key::deserialize (nano::stream & stream_a)
{
auto error (false);
try
{
nano::read (stream_a, account.bytes);
nano::read (stream_a, hash.bytes);
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
bool nano::pending_key::operator== (nano::pending_key const & other_a) const
{
return account == other_a.account && hash == other_a.hash;
}
nano::account const & nano::pending_key::key () const
{
return account;
}
nano::unchecked_info::unchecked_info (std::shared_ptr<nano::block> const & block_a) :
block (block_a),
modified_m (nano::seconds_since_epoch ())
{
}
void nano::unchecked_info::serialize (nano::stream & stream_a) const
{
debug_assert (block != nullptr);
nano::serialize_block (stream_a, *block);
nano::write (stream_a, modified_m);
}
bool nano::unchecked_info::deserialize (nano::stream & stream_a)
{
block = nano::deserialize_block (stream_a);
bool error (block == nullptr);
if (!error)
{
try
{
nano::read (stream_a, modified_m);
}
catch (std::runtime_error const &)
{
error = true;
}
}
return error;
}
uint64_t nano::unchecked_info::modified () const
{
return modified_m;
}
nano::endpoint_key::endpoint_key (std::array<uint8_t, 16> const & address_a, uint16_t port_a) :
address (address_a), network_port (boost::endian::native_to_big (port_a))
{
}
std::array<uint8_t, 16> const & nano::endpoint_key::address_bytes () const
{
return address;
}
uint16_t nano::endpoint_key::port () const
{
return boost::endian::big_to_native (network_port);
}
nano::confirmation_height_info::confirmation_height_info (uint64_t confirmation_height_a, nano::block_hash const & confirmed_frontier_a) :
height (confirmation_height_a),
frontier (confirmed_frontier_a)
{
}
void nano::confirmation_height_info::serialize (nano::stream & stream_a) const
{
nano::write (stream_a, height);
nano::write (stream_a, frontier);
}
bool nano::confirmation_height_info::deserialize (nano::stream & stream_a)
{
auto error (false);
try
{
nano::read (stream_a, height);
nano::read (stream_a, frontier);
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
nano::block_info::block_info (nano::account const & account_a, nano::amount const & balance_a) :
account (account_a),
balance (balance_a)
{
}
bool nano::vote::operator== (nano::vote const & other_a) const
{
return timestamp_m == other_a.timestamp_m && hashes == other_a.hashes && account == other_a.account && signature == other_a.signature;
}
bool nano::vote::operator!= (nano::vote const & other_a) const
{
return !(*this == other_a);
}
void nano::vote::serialize_json (boost::property_tree::ptree & tree) const
{
tree.put ("account", account.to_account ());
tree.put ("signature", signature.number ());
tree.put ("sequence", std::to_string (timestamp ()));
tree.put ("timestamp", std::to_string (timestamp ()));
tree.put ("duration", std::to_string (duration_bits ()));
boost::property_tree::ptree blocks_tree;
for (auto const & hash : hashes)
{
boost::property_tree::ptree entry;
entry.put ("", hash.to_string ());
blocks_tree.push_back (std::make_pair ("", entry));
}
tree.add_child ("blocks", blocks_tree);
}
std::string nano::vote::to_json () const
{
std::stringstream stream;
boost::property_tree::ptree tree;
serialize_json (tree);
boost::property_tree::write_json (stream, tree);
return stream.str ();
}
/**
* Returns the timestamp of the vote (with the duration bits masked, set to zero)
* If it is a final vote, all the bits including duration bits are returned as they are, all FF
*/
uint64_t nano::vote::timestamp () const
{
return (timestamp_m == std::numeric_limits<uint64_t>::max ())
? timestamp_m // final vote
: (timestamp_m & timestamp_mask);
}
uint8_t nano::vote::duration_bits () const
{
// Duration field is specified in the 4 low-order bits of the timestamp.
// This makes the timestamp have a minimum granularity of 16ms
// The duration is specified as 2^(duration + 4) giving it a range of 16-524,288ms in power of two increments
auto result = timestamp_m & ~timestamp_mask;
debug_assert (result < 16);
return static_cast<uint8_t> (result);
}
std::chrono::milliseconds nano::vote::duration () const
{
return std::chrono::milliseconds{ 1u << (duration_bits () + 4) };
}
nano::vote::vote (nano::vote const & other_a) :
timestamp_m{ other_a.timestamp_m },
hashes{ other_a.hashes },
account (other_a.account),
signature (other_a.signature)
{
}
nano::vote::vote (bool & error_a, nano::stream & stream_a)
{
error_a = deserialize (stream_a);
}
nano::vote::vote (nano::account const & account_a, nano::raw_key const & prv_a, uint64_t timestamp_a, uint8_t duration, std::vector<nano::block_hash> const & hashes) :
hashes{ hashes },
timestamp_m{ packed_timestamp (timestamp_a, duration) },
account (account_a)
{
signature = nano::sign_message (prv_a, account_a, hash ());
}
std::string nano::vote::hashes_string () const
{
std::string result;
for (auto const & hash : hashes)
{
result += hash.to_string ();
result += ", ";
}
return result;
}
std::string const nano::vote::hash_prefix = "vote ";
nano::block_hash nano::vote::hash () const
{
nano::block_hash result;
blake2b_state hash;
blake2b_init (&hash, sizeof (result.bytes));
blake2b_update (&hash, hash_prefix.data (), hash_prefix.size ());
for (auto const & block_hash : hashes)
{
blake2b_update (&hash, block_hash.bytes.data (), sizeof (block_hash.bytes));
}
union
{
uint64_t qword;
std::array<uint8_t, 8> bytes;
};
qword = timestamp_m;
blake2b_update (&hash, bytes.data (), sizeof (bytes));
blake2b_final (&hash, result.bytes.data (), sizeof (result.bytes));
return result;
}
nano::block_hash nano::vote::full_hash () const
{
nano::block_hash result;
blake2b_state state;
blake2b_init (&state, sizeof (result.bytes));
blake2b_update (&state, hash ().bytes.data (), sizeof (hash ().bytes));
blake2b_update (&state, account.bytes.data (), sizeof (account.bytes.data ()));
blake2b_update (&state, signature.bytes.data (), sizeof (signature.bytes.data ()));
blake2b_final (&state, result.bytes.data (), sizeof (result.bytes));
return result;
}
void nano::vote::serialize (nano::stream & stream_a) const
{
write (stream_a, account);
write (stream_a, signature);
write (stream_a, boost::endian::native_to_little (timestamp_m));
for (auto const & hash : hashes)
{
write (stream_a, hash);
}
}
bool nano::vote::deserialize (nano::stream & stream_a)
{
auto error = false;
try
{
nano::read (stream_a, account.bytes);
nano::read (stream_a, signature.bytes);
nano::read (stream_a, timestamp_m);
while (stream_a.in_avail () > 0)
{
nano::block_hash block_hash;
nano::read (stream_a, block_hash);
hashes.push_back (block_hash);
}
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
bool nano::vote::validate () const
{
return nano::validate_message (account, hash (), signature);
}
uint64_t nano::vote::packed_timestamp (uint64_t timestamp, uint8_t duration) const
{
debug_assert (duration <= duration_max && "Invalid duration");
debug_assert ((!(timestamp == timestamp_max) || (duration == duration_max)) && "Invalid final vote");
return (timestamp & timestamp_mask) | duration;
}
nano::block_hash nano::iterate_vote_blocks_as_hash::operator() (nano::block_hash const & item) const
{
return item;
}
nano::vote_uniquer::vote_uniquer (nano::block_uniquer & uniquer_a) :
uniquer (uniquer_a)
{
}
std::shared_ptr<nano::vote> nano::vote_uniquer::unique (std::shared_ptr<nano::vote> const & vote_a)
{
auto result = vote_a;
if (result != nullptr)
{
nano::block_hash key = vote_a->full_hash ();
nano::lock_guard<nano::mutex> lock{ mutex };
auto & existing = votes[key];
if (auto block_l = existing.lock ())
{
result = block_l;
}
else
{
existing = vote_a;
}
release_assert (std::numeric_limits<CryptoPP::word32>::max () > votes.size ());
for (auto i (0); i < cleanup_count && !votes.empty (); ++i)
{
auto random_offset = nano::random_pool::generate_word32 (0, static_cast<CryptoPP::word32> (votes.size () - 1));
auto existing (std::next (votes.begin (), random_offset));
if (existing == votes.end ())
{
existing = votes.begin ();
}
if (existing != votes.end ())
{
if (auto block_l = existing->second.lock ())
{
// Still live
}
else
{
votes.erase (existing);
}
}
}
}
return result;
}
size_t nano::vote_uniquer::size ()
{
nano::lock_guard<nano::mutex> lock{ mutex };
return votes.size ();
}
std::unique_ptr<nano::container_info_component> nano::collect_container_info (vote_uniquer & vote_uniquer, std::string const & name)
{
auto count = vote_uniquer.size ();
auto sizeof_element = sizeof (vote_uniquer::value_type);
auto composite = std::make_unique<container_info_composite> (name);
composite->add_component (std::make_unique<container_info_leaf> (container_info{ "votes", count, sizeof_element }));
return composite;
}
nano::wallet_id nano::random_wallet_id ()
{
nano::wallet_id wallet_id;
nano::uint256_union dummy_secret;
random_pool::generate_block (dummy_secret.bytes.data (), dummy_secret.bytes.size ());
ed25519_publickey (dummy_secret.bytes.data (), wallet_id.bytes.data ());
return wallet_id;
}
nano::unchecked_key::unchecked_key (nano::hash_or_account const & dependency) :
unchecked_key{ dependency, 0 }
{
}
nano::unchecked_key::unchecked_key (nano::hash_or_account const & previous_a, nano::block_hash const & hash_a) :
previous (previous_a.as_block_hash ()),
hash (hash_a)
{
}
nano::unchecked_key::unchecked_key (nano::uint512_union const & union_a) :
previous (union_a.uint256s[0].number ()),
hash (union_a.uint256s[1].number ())
{
}
bool nano::unchecked_key::deserialize (nano::stream & stream_a)
{
auto error (false);
try
{
nano::read (stream_a, previous.bytes);
nano::read (stream_a, hash.bytes);
}
catch (std::runtime_error const &)
{
error = true;
}
return error;
}
bool nano::unchecked_key::operator== (nano::unchecked_key const & other_a) const
{
return previous == other_a.previous && hash == other_a.hash;
}
bool nano::unchecked_key::operator< (nano::unchecked_key const & other_a) const
{
return previous != other_a.previous ? previous < other_a.previous : hash < other_a.hash;
}
nano::block_hash const & nano::unchecked_key::key () const
{
return previous;
}
void nano::generate_cache::enable_all ()
{
reps = true;
cemented_count = true;
unchecked_count = true;
account_count = true;
}
nano::stat::detail nano::to_stat_detail (nano::process_result process_result)
{
nano::stat::detail result;
switch (process_result)
{
case process_result::progress:
return nano::stat::detail::progress;
break;
case process_result::bad_signature:
return nano::stat::detail::bad_signature;
break;
case process_result::old:
return nano::stat::detail::old;
break;
case process_result::negative_spend:
return nano::stat::detail::negative_spend;
break;
case process_result::fork:
return nano::stat::detail::fork;
break;
case process_result::unreceivable:
return nano::stat::detail::unreceivable;
break;
case process_result::gap_previous:
return nano::stat::detail::gap_previous;
break;
case process_result::gap_source:
return nano::stat::detail::gap_source;
break;
case process_result::gap_epoch_open_pending:
return nano::stat::detail::gap_epoch_open_pending;
break;
case process_result::opened_burn_account:
return nano::stat::detail::opened_burn_account;
break;
case process_result::balance_mismatch:
return nano::stat::detail::balance_mismatch;
break;
case process_result::representative_mismatch:
return nano::stat::detail::representative_mismatch;
break;
case process_result::block_position:
return nano::stat::detail::block_position;
break;
case process_result::insufficient_work:
return nano::stat::detail::insufficient_work;
break;
}
return result;
}